Teresi
contestada

Solve each equation. Remember to check for extraneous solutions!

1. 4/9 = x-7/x+1

2. 1/6r^2 + 2r-6/3r^2 = 1/3r^2

3. x^2-3x/x^2+4x+3 + 1/x+1 = 1/x+3